public async Task ProcessFormAsync_SavesPaymentMethodIfNoMatchingFound()
{
var savePaymentMethodCalled = false;
var newPaymentMethod = new PaymentMethod
{
CardNumber = "1234",
CardholderName = "testcardholdername"
};
var existingPaymentMethods = new List<PaymentMethod>();
var checkoutDataRepository = new MockCheckoutDataRepository();
checkoutDataRepository.GetAllPaymentMethodsAsyncDelegate =
() => Task.FromResult<ICollection<PaymentMethod>>(new Collection<PaymentMethod>(existingPaymentMethods));
checkoutDataRepository.SavePaymentMethodAsyncDelegate = paymentMethod =>
{
savePaymentMethodCalled = true;
Assert.AreEqual("testcardholdername",
paymentMethod.CardholderName);
return Task.Delay(0);
};
var target = new PaymentMethodUserControlViewModel(checkoutDataRepository);
target.PaymentMethod = newPaymentMethod;
await target.ProcessFormAsync();
Assert.IsTrue(savePaymentMethodCalled);
}
public async Task ProcessFormAsync_UsesExistingIfMatchingFound()
{
var newPaymentMethod = new PaymentMethod
{
CardNumber = "1234",
CardholderName = "testcardholdername"
};
var existingPaymentMethods = new List<PaymentMethod>
{
new PaymentMethod
{
Id = "testId",
CardNumber = "1234",
CardholderName = "testcardholdername"
}
};
var checkoutDataRepository = new MockCheckoutDataRepository();
checkoutDataRepository.GetAllPaymentMethodsAsyncDelegate =
() => Task.FromResult<ICollection<PaymentMethod>>(new ReadOnlyCollection<PaymentMethod>(existingPaymentMethods));
var target = new PaymentMethodUserControlViewModel(checkoutDataRepository);
target.PaymentMethod = newPaymentMethod;
await target.ProcessFormAsync();
Assert.AreEqual("testId", target.PaymentMethod.Id);
}
public async Task SavePaymentMethodAsync(PaymentMethod paymentMethod)
{
using (var client = new HttpClient())
{
var response = await client.PostAsync(new Uri(_clientBaseUrl), new HttpStringContent(JsonConvert.SerializeObject(paymentMethod), Windows.Storage.Streams.UnicodeEncoding.Utf8, "application/json"));
await response.EnsureSuccessWithValidationSupportAsync();
}
}
public Task SavePaymentMethodAsync(PaymentMethod paymentMethod)
{
var matchingPaymentMethod = PaymentMethods.FirstOrDefault(p => p.Id == paymentMethod.Id);
if (matchingPaymentMethod != null)
{
PaymentMethods.Remove(matchingPaymentMethod);
}
PaymentMethods.Add(paymentMethod);
return Task.Delay(0);
}
public async Task<Order> CreateOrderAsync(string userId, ShoppingCart shoppingCart, Address shippingAddress, Address billingAddress, PaymentMethod paymentMethod, ShippingMethod shippingMethod)
{
Order order = new Order
{
UserId = userId,
ShoppingCart = shoppingCart,
ShippingAddress = shippingAddress,
BillingAddress = billingAddress,
PaymentMethod = paymentMethod,
ShippingMethod = shippingMethod
};
order.Id = await _orderService.CreateOrderAsync(order);
return order;
}
public void OnNavigateTo_LoadsDefault_IfTryLoadDefaultTrue()
{
var defaultPaymentMethod = new PaymentMethod
{
CardholderName = "CardHolderName",
CardNumber = "32323232",
CardVerificationCode = "222",
Phone = "22224232",
ExpirationMonth = "12",
ExpirationYear = "2016"
};
var checkoutDataRepository = new MockCheckoutDataRepository();
checkoutDataRepository.GetDefaultPaymentMethodAsyncDelegate = () => Task.FromResult(defaultPaymentMethod);
var target = new PaymentMethodUserControlViewModel(checkoutDataRepository);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = null, NavigationMode = NavigationMode.New }, new Dictionary<string, object>());
Assert.IsNull(target.PaymentMethod.CardholderName);
target.SetLoadDefault(true);
target.OnNavigatedTo(new NavigatedToEventArgs { Parameter = null, NavigationMode = NavigationMode.New }, new Dictionary<string, object>());
Assert.AreEqual("CardHolderName", target.PaymentMethod.CardholderName);
}
public Task SavePaymentMethodAsync(PaymentMethod paymentMethod)
{
return SavePaymentMethodAsyncDelegate(paymentMethod);
}
public async Task CreateBasicOrderAsync(string userId, ShoppingCart shoppingCart, Address shippingAddress, Address billingAddress, PaymentMethod paymentMethod)
{
var basicShippingMethod = await _shippingMethodService.GetBasicShippingMethodAsync();
_currentOrder = await CreateOrderAsync(userId, shoppingCart, shippingAddress, billingAddress, paymentMethod, basicShippingMethod);
_sessionStateService.SessionState[OrderKey] = _currentOrder;
}
public void SaveEntity(PaymentMethod paymentMethod)
{
PaymentMethods.Add(paymentMethod);
}
public Task<Order> CreateOrderAsync(string userId, ShoppingCart shoppingCart, Address shippingAddress, Address billingAddress, PaymentMethod paymentMethod, ShippingMethod shippingMethod)
{
return CreateOrderAsyncDelegate(userId, shoppingCart, shippingAddress, billingAddress, paymentMethod, shippingMethod);
}
private CheckoutDataViewModel CreateCheckoutData(PaymentMethod paymentMethod)
{
return new CheckoutDataViewModel()
{
EntityId = paymentMethod.Id,
DataType = Constants.PaymentMethod,
Title = _resourceLoader.GetString("PaymentMethod"),
FirstLine = string.Format(CultureInfo.CurrentCulture, _resourceLoader.GetString("CardEndingIn"), paymentMethod.CardNumber.Substring(paymentMethod.CardNumber.Length - 4)),
SecondLine = string.Format(CultureInfo.CurrentCulture, _resourceLoader.GetString("CardExpiringOn"), string.Format(CultureInfo.CurrentCulture, "{0}/{1}", paymentMethod.ExpirationMonth, paymentMethod.ExpirationYear)),
BottomLine = paymentMethod.CardholderName,
LogoUri = new Uri(Constants.PaymentMethodLogo, UriKind.Absolute)
};
}
public async Task SavePaymentMethodAsync(PaymentMethod paymentMethod)
{
if (paymentMethod == null)
{
throw new ArgumentNullException("paymentMethod");
}
paymentMethod.Id = paymentMethod.Id ?? Guid.NewGuid().ToString();
// Sensitive data replaced with asterisks. Configure secure transport layer (SSL)
// so that you can securely send sensitive data such as credit card data.
var paymentMethodToSave = new PaymentMethod()
{
Id = paymentMethod.Id,
CardNumber = "********",
CardVerificationCode = "****",
CardholderName = paymentMethod.CardholderName,
ExpirationMonth = paymentMethod.ExpirationMonth,
ExpirationYear = paymentMethod.ExpirationYear,
Phone = paymentMethod.Phone
};
// If there's no default value stored, use this one
if (await GetDefaultPaymentMethodAsync() == null)
{
paymentMethodToSave.IsDefault = true;
}
// Save the payment method to the service
await _paymentMethodService.SavePaymentMethodAsync(paymentMethodToSave);
ExpireCachedPaymentMethods();
}
public async Task ProcessFormAsync()
{
var existingPaymentMethods = await _checkoutDataRepository.GetAllPaymentMethodsAsync();
var matchingExistingPaymentMethod = FindMatchingPaymentMethod(PaymentMethod, existingPaymentMethods);
if (matchingExistingPaymentMethod != null)
{
PaymentMethod = matchingExistingPaymentMethod;
}
else
{
await _checkoutDataRepository.SavePaymentMethodAsync(PaymentMethod);
}
}
public PaymentMethodUserControlViewModel(ICheckoutDataRepository checkoutDataRepository)
{
_paymentMethod = new PaymentMethod();
_checkoutDataRepository = checkoutDataRepository;
}
private static PaymentMethod FindMatchingPaymentMethod(PaymentMethod searchPaymentMethod, IEnumerable<PaymentMethod> paymentMethods)
{
// This method is not comparing the Card Number since the Card Number value is being replaced with asterisks
// when persisted to the service. In a real production app using SSL, you would send/receive the actual card number
// securely.
return paymentMethods.FirstOrDefault(paymentMethod =>
searchPaymentMethod.CardVerificationCode == paymentMethod.CardVerificationCode &&
searchPaymentMethod.CardholderName == paymentMethod.CardholderName &&
searchPaymentMethod.ExpirationMonth == paymentMethod.ExpirationMonth &&
searchPaymentMethod.ExpirationYear == paymentMethod.ExpirationYear &&
searchPaymentMethod.Phone == paymentMethod.Phone);
}
